The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 26, 2019
Filed:
Jan. 07, 2016
Clopay Plastic Products Company, Inc., Mason, OH (US);
Iyad Muslet, West Chester, OH (US);
Kevin Preston, Mainville, OH (US);
Berry Film Products Company, Inc., Evansville, IN (US);
Abstract
Split-layer thermoplastic films having the structure A-(B-C)-B-A, wherein A and C are inelastic layers each having a thickness and each comprising individually at least one of polymeric compositions A and C; B is an elastic layer comprising polymeric composition B, n≥1, and wherein the layers comprising (B-C)-B have a combined thickness x, polymeric compositions A and C comprise an inelastic polymer; polymeric composition B comprises an elastomeric polymer; and the thickness of C comprises 5% or less of the total thickness of the film; and further wherein the film has a notched Elmendorf tear strength of at least twice the notched Elmendorf tear strength of a comparative thermoplastic film having the structure A-B-A, wherein A and B comprise substantially the same polymeric compositions A and B as the thermoplastic film, and wherein the B-layer of the comparative thermoplastic film has a thickness y which is substantially equal to x.